C111123313121111121111331333133313231323132322331333132313331332113313222311   >>    C11112331312111112111133133313331323132313232233133313231333133211331322231   <<    C111123313121111121111331333133313231323132322331333132313331332113313222313   >>      C111123313121111121111331333133313231323132322331333132313331332113313222312   >>